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Through how many radians does the minute hand turn in (7.5) minutes?मिनट सुई (7.5) मिनट में कितने रेडियन घूमती है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{\pi}{4})(\frac{\pi}{4})
It turns (2\pi) radians in (60) minutes. In (7.5) minutes it turns (\frac{7.5}{60}\times2\pi=\frac{\pi}{4}).(60) मिनट में (2\pi) रेडियन घूमती है। (7.5) मिनट में (\frac{7.5}{60}\times2\pi=\frac{\pi}{4}) है।
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